Find Solar Panel Size

Leave the system losses at around 15.

Find solar panel size.

The size available needs to be divided by the size of the solar panel that is going to be used. 39 x 66 3 25 feet x 5 5 feet 72 cell panels. For array type select fixed for roof mounts or open for ground mounts. The 60 cell solar panels are all around 65 8 inches in length by 39 4 inches in width.

This means it takes up a total area of about 18 square feet. Depending on the number of cells in the panel they are larger or smaller. Enter the address and hit the orange arrow to the right. Orientation plays an important role especially if the roof size is small or not of a usable geometric shape.

There is some variation from brand to brand and if you re installing a large scale solar panel system such as for a warehouse or a municipal building your panels will be closer to 6 feet long. The 72 cell panels are 78 5 inches in length by 39 4 inches in width and take up about 21 5 square feet. Choose a standard module. 39 x 77 3 25 feet x 6 42 feet.

The roof size available for setting up the solar panel would need to be ascertained in square feet. Once you are on the system info page enter the dc system size from the previous section. The average size of solar panels used in a rooftop solar installation is approximately 65 inches by 39 inches or 5 4 feet by 3 25 feet. Standard solar panel dimensions 60 cell panels.

Traditionally solar panels come in two different configurations.